7805994 has 32 divisors (see below), whose sum is σ = 18211200. Its totient is φ = 2229696.

The previous prime is 7805983. The next prime is 7806013. The reversal of 7805994 is 4995087.

7805994 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (569100).

Almost surely, 2^7805994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7805994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9105600).

7805994 is an abundant number, since it is smaller than the sum of its proper divisors (10405206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7805994 is a wasteful number, since it uses less digits than its factorization.

7805994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 3805 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 7805994 is about 2793.9209008130. The cubic root of 7805994 is about 198.3700354992.

The spelling of 7805994 in words is "seven million, eight hundred five thousand, nine hundred ninety-four".